Workload

FIO (Flexible I/O) – a benchmark tool for any operating system

I have just attended an interesting session held by Martin Nash (@mpnsh) at UKOUG 14 – Liverpool: “The least an Oracle DBA Should Know about Linux Administration” . During this session I(…)

Protecting an Oracle database from block corruption

Data can be corrupted in different ways, for example an I/O issue when reading data from the storage or a memory issue when updating data. The db_block_checking parameter allows to change the behavior of an Oracle database concerning block checking.

Using IOzone for Linux disk performance analysis

Who never had to measure the disk performances on a system? Speaking about Linux performance monitoring includes a significant part on disk performances. If you are facing applications or databases running slower than expected or than on other environments, you(…)

Simulating and testing I/O performances with ORION

Since Oracle 11.2, Oracle provides ORION in the RDBMS binaries (in ${ORACLE_HOME}/bin). ORION is an I/O calibration tool allowing to simulating and testing I/O performances an Oracle database would be confronted with.   ORION basically supports four kinds of database(…)

Simulating database-like I/O activity with Flexible I/O

You do not want to install or configure swingbench, load runner etc. – just to test the performance of your I/O system based on filesystems? Then Flexible I/O is the right tool for you. This post provides an overview. In(…)